<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .case {
            width: 200px;
            background-color: yellow;
        }

        .container {
            background-color: lightblue;
            margin-bottom: 70px;
            padding-top: 0.01px;
        }

        .preface {
            float: left;
            height: 58px;
            width: 100px;
            border: 1px solid red;
        }

        .one .intro {
            clear: left;
            margin-top: 60px;
        }

        .two .intro {
            clear: left;
            margin-top: 59px;
            margin-bottom: 20px;
        }
    </style>
</head>

<body>
    <div class="case one">
        <div class="container">
            <div class="preface">
                lorem ipsum
            </div>
            <div class="intro"></div>
        </div>
        after
    </div>
    <hr>
    <div class="case two">
        <div class="container">
            <div class="preface">
                lorem ipsum
            </div>
            <div class="intro"></div>
        </div>
        after
    </div>

</body>

</html>